package net.oschina.app.widget.tooglebutton.rebound.ui;

import android.content.res.Resources;
import android.util.TypedValue;
import android.view.ViewGroup;
import android.widget.FrameLayout;

/**
 * Utilities for generating view hierarchies without using resources.
 */
public abstract class Util {

	public static final int dpToPx(float dp, Resources res) {
		return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
				res.getDisplayMetrics());
	}

	public static final FrameLayout.LayoutParams createLayoutParams(int width,
			int height) {
		return new FrameLayout.LayoutParams(width, height);
	}

	public static final FrameLayout.LayoutParams createMatchParams() {
		return createLayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
				ViewGroup.LayoutParams.MATCH_PARENT);
	}

	public static final FrameLayout.LayoutParams createWrapParams() {
		return createLayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
				ViewGroup.LayoutParams.WRAP_CONTENT);
	}

	public static final FrameLayout.LayoutParams createWrapMatchParams() {
		return createLayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
				ViewGroup.LayoutParams.MATCH_PARENT);
	}

	public static final FrameLayout.LayoutParams createMatchWrapParams() {
		return createLayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
				ViewGroup.LayoutParams.WRAP_CONTENT);
	}

}
